*Omitting the ARWU variables and using 2002-2019 for dep var

*Reg1 Full sample
xtpoisson istudents_r istud000_r_3 ltrade_1 gdppc_diff000_1 larticles_1 yeardum* if full_sample_excl_CHN==1 & year>=2002, vce(robust) fe
outreg2 using 2023regs8, dec(3) excel

*Reg2 E-OECD
xtpoisson istudents_r istud000_r_3 ltrade_1 gdppc_diff000_1 larticles_1 yeardum* if english_OECD==1 & year>=2002, vce(robust) fe
outreg2 using 2023regs8, dec(3) excel

*Reg3 NE-OECD
xtpoisson istudents_r istud000_r_3 ltrade_1 gdppc_diff000_1 larticles_1 yeardum* if NE_OECD==1 & year>=2002, vce(robust) fe
outreg2 using 2023regs8, dec(3) excel

*Reg4 N-OECD
xtpoisson istudents_r istud000_r_3 ltrade_1 gdppc_diff000_1 larticles_1 yeardum* if non_OECD_excl_CHN==1 & year>=2002, vce(robust) fe
outreg2 using 2023regs8, dec(3) excel
